The Backing Winds weblog details how to create high dynamic range (HDR) photos using Photoshop.

HDR images use a rather trendy exposure style that you've certainly seen before, but if you're not sure exactly what HDR images look like, check out the HDR tag on Flickr and you'll be convinced you need to HDR out your whole photo library. You probably don't want to take things that far, but this is a great method for adding some real zip to your images under the right circumstances.